45.0 degrees by 0.047 in deep chamfer on edge of both sides
A transparent item of a predetermined size that permits unobstructed and undistorted view of a desired area. It may include a frame, have reference markings, grid lines and may be heat strengthened and/or tinted. It is generally used where safety, security, and/or the restriction of foreign matter are required, such as the visual examination of the inside of pressurized tanks, liquid sights, controlled liquid flow, and inspection of equipment enclosed in a housing. See window (as modified); scale, cathode ray tube; scale, plotting; window, metal; window, wood; and window panel, aircraft.
Classification: Pressed or molded glass articles, wired or not, for building or construction;leaded glass windows etc; formed multicellular or foam glass
NSN 5999-01-041-9988
NSN 5985-00-945-4953
NSN 6620-01-223-2441
NSN 5930-01-196-4368
NSN 5996-01-224-5515
NSN 5835-00-905-7165
NSN 5915-01-403-2599
NSN 6620-01-350-0323
NSN 5915-01-525-7731
NSN 5895-00-947-6922
NSN 5965-01-253-0451
NSN 6685-01-339-5838